Heater for attachment to oil or gas burner.



PATENTED JULY 12, 1904;

W. L. HALLBTT. HEATER FOR ATTACHMENT 'TO OIL 0R GAS BURNERS.

APPLICATION FILED FEB, 11. 1903.

N0 MODEL.

UNITED STATES- Patented July 12, 1904.,

PATENT Darren.

WELLINGTON L. HALLETT, OF BROOKLINE, MASSACHUSETTS.

SPECIFICATION forming part of Letters Patent No. 764,843, dated July 12,1904.

Application filed February 11, 1903. Serial No. 142,873. (No model.)

To all whom, it may concern Be it known that I, WELLINGTON L. HAL-Ln'r'r, of Brookline, in the county of Norfolk and State ofMassachusetts, have invented an Improved Heater for Attachment to Oil orGas Burners, of which the following is a specitieation.

Y My invention relates to heaters such as are described in Patent No.569,37 7, dated October 13, 1896; and it consists in a sleeve or drumwhich is held centrally about the heater or disk of metal described inthe above-named patent or otherwise held centrally about a lamp-chimneyor the globe of a lamp used without a chimney, this drum carryingradiating-plates, so that the heated products of combustion which flowthrough the drum are deflected sidewise between the lowerradiating-plate and an upper radiating-plate, and thus caused to heatthe radiating-plates, as will now be more fully described, referencebeing had to the accompanying drawings, in which Figure 1 is a sectionalelevation of one of my heaters with two radiating-plates held on thechimney of a lamp by means of the heater described in the patent abovenamed. Fig. 2 is a sectional elevation like Fig. 1, except that myheater is supported by two sheets of metal standing edgewise on theglobe of a gas-lamp. Fig. 3 is a sectional elevation like Figs. 1 and 2,except that my heater is supported by two tubular cross-pieces restingon the rim of the globe. Fig. 4: is a modification for largeroil-lamps,with three radiating-plates,adapted more especially forwarming as well as lighting rooms.

In the drawings, A is a lamp-chimney, and B the heater of Patent No.569,377, supported on that chimney by legs 7), as shown in Fig. 1. Theouter legs 7) serve to center the drum D about heater B and allow theproducts of combustion to flow through drum D about the heater B andthrough holes in radiatingplate F and in the spacing-drum (Z, which is aperforated continuation of drum D, into the space between plate F andthe upper radiating-plate F, as indicated by the arrows.

The plates F and F and the spacing-drum (7 are secured together and tothe drum D by the transverse tubes d, passing through drum D, by meansof cross-piece (Z and bolt (Z These tubes d also support my improvedheater on the heater B, as shown in Fig. 1, and on the globe G, as shownin Fig. 3, while they support the two rectangular metal sheets g, whoseedges rest across the globe G, as shown in Fig. 2, these metal sheets 9being readily removed from and replaced over the tubes cl. (See Fig. 3,where they are not shown, having been removed to allow drum D to extendfarther-down into globe G than in Fig. 2.)

In Fig. A I have shown a second spacingdrum cl, and radiating-plate F isseparated by spacing-drum cl" from an intermediate radiating-plate Fwhich is like the lower radiating-plate F of Figs. 1, 2, and 3.

When my heater is in use, the drum D and the radiating-plates becomesizzling hot and soon warm the room without diminution of the light, theheat due to the combustion of the oil or gas being well localized, aswell as diffused downwardly and on all sides of the heater, mainly byradiation instead of convection.

It will also be observed that my heater as shown not only warms the roomand lights the room, but also prevents the smoking of the ceiling. I amalso satisfied that my heater causes greater light' and heat from agiven consumption of oil or gas, for the reason, as I think, that itcauses more perfect combustion, and while this may be thought a meretheory yet it is a fact that a gas-flame becomes visibly larger when myheater is applied than before, and this without any manipulation of thecock which admits the supply of gas, while the flame of a kerosenelampgrows brighter when my heater is applied than before, and the wick canbe raised a good deal higher without smoke when my heater is in placethan it can when my heater is not used.

What I claim as my invention is 1. In combination an upperradiating-plate; a lower radiating-plate with central passages throughit; a perforated spacing-drum between and separating those plates; amain drum by which all those products of combustion which enter it aredirected through the central passages of the lower radiating-plate intothe spacing-drum; means for securing the parts together; and means forsupporting the main drum on the burner, all substantially as described.

2. In combination an upper radiating-plate; an intermediateradiating-plate With central passages through it; a perforatedspacingdrum between them; a lower radiating-plate with central passagesthrough it; a second perforated spacing-drum between the intermediateand lower radiating-plates; a main drum by which all those products ofcombustion which enter it are directed through the central passages ofthe lower radiating-plate into the second spacing-drum; means forsecuring the parts together; and means for supporting the main drum onthe burner, all substantially as described.

3. In combination an upper and a lower radiating-plate; a perforated.spacing-drum between and separating those plates; a main drum fordirecting the products of combustion through the lower radiating-plate;edgewise sheets resting on the burner; transverse tubes extendingthrough the main drum, and through the edgewise sheets and supported. bythose sheets; and means connecting the transverse tubes and theradiating-plates and drums to hold the parts in position, allsubstantially as described.

WVELLINGTON L. HALLETT. lVitncsses:

J. E. MAYNADIER, (l. B. MAYNADIER.

